40406980

素因数分解:

$2^2\times 5^1\times {\mathrm{523}}^1\times {\mathrm{3863}}^1$

素因数の和:4395

約数の個数: 24

約数和(自身を含む): 85038912

約数和(自身を除く): 44631932

約数列:

[1, 2, 4, 5, 10, 20, 523, 1046, 2092, 2615, 3863, 5230, 7726, 10460, 15452, 19315, 38630, 77260, 2020349, 4040698, 8081396, 10101745, 20203490, 40406980]

約数ペア:

[(1, 40406980), (2, 20203490), (4, 10101745), (5, 8081396), (10, 4040698), (20, 2020349), (523, 77260), (1046, 38630), (2092, 19315), (2615, 15452), (3863, 10460), (5230, 7726)]